\begin{tikzpicture}
    \tkzDefPoints{0/0/B, 3/0/C,  1.5/3/A}
    \tkzDefMidPoint(A,B)  \tkzGetPoint{F}
    \tkzDefMidPoint(A,C)  \tkzGetPoint{E}

    \tkzDrawSegments(A,B  A,C  B,E  C,F)
    \tkzLabelPoints[above](A)
    \tkzLabelPoints[below](B,C)
    \tkzLabelPoints[left](F)
    \tkzLabelPoints[right](E)
\end{tikzpicture}

